Home / 7,378.68-11,058.61-4,745.17

Finding the Fourth Proportional to 7,378.68, 11,058.61 and 4,745.17

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Solution

The fourth proportional to 7,378.68, 11,058.61 and 4,745.17 is: 7,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.68 : 11,058.61 = 4,745.17 : x
  2. Step 2: Convert to fraction form
    7,378.68/11,058.61 = 4,745.17/x
  3. Step 3: Cross multiply
    7,378.68x = 11,058.61 × 4,745.17
  4. Step 4: Simplify right side
    7,378.68x = 52,474,984.41
  5. Step 5: Solve for x
    x = 52,474,984.41/7,378.68
  6. Step 6: Final answer
    x = 7,111.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.